with vernier indication of distance, e.g. using two cathode-ray tubes

Full Title

Details of systems according to groups , , > of systems according to group > Display arrangements > Cathode-ray tube displays > with vernier indication of distance, e.g. using two cathode-ray tubes

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES